288226003 has 12 divisors (see below), whose sum is σ = 320746944. Its totient is φ = 257461200.

The previous prime is 288225961. The next prime is 288226009. The reversal of 288226003 is 300622882.

It is a de Polignac number, because none of the positive numbers 2^k-288226003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288226009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 958 + ... + 24028.

It is an arithmetic number, because the mean of its divisors is an integer number (26728912).

Almost surely, 2^288226003 is an apocalyptic number.

288226003 is a deficient number, since it is larger than the sum of its proper divisors (32520941).

288226003 is a wasteful number, since it uses less digits than its factorization.

288226003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23146 (or 23115 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 288226003 is about 16977.2201199136. The cubic root of 288226003 is about 660.5581466187.

Adding to 288226003 its reverse (300622882), we get a palindrome (588848885).

The spelling of 288226003 in words is "two hundred eighty-eight million, two hundred twenty-six thousand, three".